Home / 539,150,543.80-808,725,815.70-216,266,140.60

Finding the Fourth Proportional to 539,150,543.80, 808,725,815.70 and 216,266,140.60

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Solution

The fourth proportional to 539,150,543.80, 808,725,815.70 and 216,266,140.60 is: 324,399,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,150,543.80 : 808,725,815.70 = 216,266,140.60 : x
  2. Step 2: Convert to fraction form
    539,150,543.80/808,725,815.70 = 216,266,140.60/x
  3. Step 3: Cross multiply
    539,150,543.80x = 808,725,815.70 × 216,266,140.60
  4. Step 4: Simplify right side
    539,150,543.80x = 174,900,010,965,025,888
  5. Step 5: Solve for x
    x = 174,900,010,965,025,888/539,150,543.80
  6. Step 6: Final answer
    x = 324,399,210.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.